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Both code chunks are essentially identical (with the obvious RETURN vs GOTO exception), and both should function equally well (aside from the obvious program flow differences).
Do you have a pullup/pulldown resistor on PortB.0?
What's connected to MCLR?
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The PIC is on a Velleman K8048 Programmer and Experiment board.
http://www.velleman.be/ot/en/product/view/?id=350903
Yes i have a pull up resistor..
If the code is identical why does it hangs with the first code?
Last edited by Fredrick; - 10th January 2008 at 19:58.
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weird, it works here, none hangs. Maybe it has something to do with the on-board programmer.
Make sure it program & update the configuration fuses.
The minimum you need is XT_OSC and LVP_OFF and make sure you crystal jumpers are correctly set.
which software are you using to program your pic with the Velleman kit? (WinpicProg, ic-prog or else?)
did you tried their update?
http://www.velleman.be/downloads/fil...update_2_6.zip
Last edited by mister_e; - 10th January 2008 at 20:56.
Steve
It's not a bug, it's a random feature.
There's no problem, only learning opportunities.
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I use Velleman Progpic2 with the update installed..
I just reprogrammed the PIC with the "RETURN" code and now it works.. weird???
Maybe there is something wrong with my programmer?
Anyway it work´s now..
Thanx for a great forum.
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Pull up resistor on MCLR?Originally Posted by Fredrick
What about PortB.0?
If you've got nothing on it, it might be floating and confusing your program somehow.
As far as the identical goes, what I meant was 'functionally identical', I didn't mean identical as in 'the same' or 'equal'.
And I don't know why.
If it works with the 2nd code, go with it.
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